Federal regulators look into possible defect in Tesla batteries

Tesla has until Nov. 28 to turn over information requested in an investigation after a few Tesla cars have caught on fire both after crashes and seemingly out of nowhere.
2:29 | 11/03/19

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Transcript for Federal regulators look into possible defect in Tesla batteries
The new concerns. Involving seven Tesla vehicles federal regulators looking into a number of battery fires as they try to determine whether it's all because of possible defects. ABC's Trevor all joins us now with what investigators are looking at Trevor good morning to you Bordick good morning this is an issue that we've seen a handful of times in the past some Tesla vehicles catching fire and sometimes after a crash but sometimes it seemingly out of nowhere that test was facing a potential lawsuit. And federal investigators have questions for the car company. It's a cutting edge car. That has some concern. Some Tesla vehicles have gone up in flames and this morning federal safety officials are looking into all possible cause. After receiving a petition from a plaintiff's attorney in a proposed class action lawsuit the National Highway Traffic Safety Administration sending a request to Tesla. Asking for information on reported fires in consumer complaints. Covering eight years of the car companies model S and model X vehicles. And specifically concerning their lithium ion batteries those batteries the power source for these elector cars. And we've seen instances of them sparking up before. Last march a crash involving test was auto pilot led to this car bursting into flames and after the crash at an impound lot the battery reignited almost a week later. Last June actress Mary McCormick posting this video of her husband's model last saying it caught fire out of the blue. And in December another model last flaring up as it was towed for a flat tire. Six hours later after firefighters put those flames out it ignited once again if this guy had been in the house and you know we one indication. And this thing got branded Iraq dole house could go under. Multiple federal investigations had already been launched into Tesla and the safety of its cars but this probe is specifically centered around an over the air software update from earlier this year. We send out these these signals and and they update your battery but. The allegations here are it affected the battery performance. And a way to diminish the quality. Of the battery. While Tesla did not respond to a request for comment on this investigation the company has previously referred to these types of fires. As extraordinarily. Unusual and said in the US a gas car is more likely to experience a fire. Tesla has until November 28 to turn over all the information requested in this investigation if they don't. He could face more than a hundred million dollars in fines really interest in case Trevor appreciate it thank you.

This transcript has been automatically generated and may not be 100% accurate.

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